| Beskrywing |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
| Getal inskrywings |
3938 |
4278 |
4402 |
4097 |
4224 |
4503 |
4559 |
4793 |
5151 |
5171 |
| Getal steeds ingeskryf na 1 jaar |
3354 |
3552 |
3712 |
3465 |
3706 |
3889 |
3963 |
4174 |
4430 |
4433 |
| Getal steeds ingeskryf na 2 jaar |
3109 |
3377 |
3545 |
3311 |
3532 |
3720 |
3725 |
3866 |
4097 |
- |
| Getal verloor na 1 jaar |
584 |
726 |
690 |
632 |
518 |
614 |
596 |
619 |
721 |
738 |
| Getal verloor na 2 jaar |
829 |
901 |
857 |
786 |
692 |
783 |
834 |
927 |
1054 |
- |
| Persentasie verloor na 1 jaar |
14.83 |
16.97 |
15.67 |
15.43 |
12.26 |
13.64 |
13.07 |
12.91 |
14.00 |
14.27 |
| Persentasie verloor na 2 jaar |
21.05 |
21.06 |
19.47 |
19.18 |
16.38 |
17.39 |
18.29 |
19.34 |
20.46 |
- |
Getal verloor in jaar 2 |
245 |
175 |
167 |
154 |
174 |
169 |
238 |
308 |
333 |
- |
| Persentasie verloor in jaar 2 |
6.22 |
4.09 |
3.79 |
3.76 |
4.12 |
3.75 |
5.22 |
6.43 |
6.46 |
- |
| Persentasie behoue na 1 jaar |
85.17 |
83.03 |
84.33 |
84.57 |
87.74 |
86.36 |
86.93 |
87.09 |
86.00 |
85.73 |
| Persentasie behoue na 2 jaar |
78.95 |
78.94 |
80.53 |
80.82 |
83.62 |
82.61 |
81.71 |
80.66 |
79.54 |
- |